Underscore.string is a string manipulation helpers for javascript. Originally started as an Underscore.js extension but is a full standalone library nowadays.
Moving Letters is a collection of cool animated letters and typography effects.
he (for “HTML entities”) is a robust HTML entity encoder/decoder written in JavaScript.
It supports all standardized named character references as per HTML, handles ambiguous ampersands and other edge cases just like a browser would, has an extensive test suite, and handles astral Unicode symbols just fine.
Renders markdown files to HTML with highlighted code blocks But also renders the javascript ones.
Rangy is a cross-browser JavaScript range and selection library.
Rangy also comes with optional modules, each of which comes in a separate .js file.
Nano ID is a tiny, secure URL-friendly unique string ID generator for JavaScript.
Mesh is a JavaScript code editor that feels like a spreadsheet.
Specifically, Mesh is a spreadsheet UI wrapper around a text file editor. Actions on the grid are automatically translated to changes in the JavaScript code.
Fitty is a javascript library that scales up (or down) text so it fits perfectly to its parent container. Ideal for flexible and responsive websites.
share-this is a Medium-like text selection sharing that allows to create a simple interface to share selected text in a page, in the form of a small popover over the selected portion of text.
RegExpBuilder integrates regular expressions into the programming language, thereby making them easy to read and maintain.
Regular Expressions are created by using chained methods and variables such as arrays or strings.
Pell is the simplest and smallest WYSIWYG text editor for web, with no dependencies.
Mousetrap is a simple library for handling keyboard shortcuts in Javascript. Supported browsers are Internet Explorer 6+, Safari, Firefox, Chrome.
Long Press is a jQuery plugin to ease the writing of accented or rare characters as easily as on Android or iOS.
Snarkdown is a dead simple and lightweight Markdown parser written in JavaScript.
It's designed to be as minimal as possible, for constrained use-cases where a full Markdown parser would be inappropriate.
TypewriterJS is a simple yet powerful native javascript plugin for a cool typewriter effect.
